B01F 23/23353
The gas being sucked towards the rotating stirrer
Official title: {the gas being sucked towards the rotating stirrer}
B01F23/23353 (The gas being sucked towards the rotating stirrer) appears on 44 US grants and 26 published applications in this corpus.
Search patents in B01F- Granted patents
- 44
- Published applications
- 26
- Assignees
- 28
- Inventors
- 86
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Submersible Aeration Apparatus21 Mar 2024US 2024/0091720 A1Tsurumi Manufacturing Co., Ltd.
- Aeration equipment for wastewater treatment29 Feb 2024US 2024/0066475 A1
- Rotary gas bubble ejector4 Jul 2019US 2019/0201855 A1
Most cited
By later US patents
- Gas-liquid mixing process and apparatus59US 4,919,849 AUnion Carbide Industrial Gases Technology Corporation · 1990
- Variable liquid level eductor/impeller gas-liquid mixing apparatus and process51US 5,451,348 APraxair Technology, Inc. · 1995
- Aeration apparatus and method47US 4,732,682 APoscon, Inc. · 1988
- Mixing systems42US 5,972,661 AGeneral Signal Corporation · 1999
- Enhanced gas-liquid mixing under variable liquid operating level conditions41US 5,244,603 APraxair Technology, Inc. · 1993